Transaction not yet indexed

21VkzMWwz8HEfXAiAdgH1Zx36nET4cHeiikyvcjXK2Xw4AdTEfUVAht6FccfZSdWZ81uSPqb7nFCkfTiJwVEhCT3

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.